body,
div,
button {
	margin: 0;
	padding: 0;
}

button {
	margin: 0;
	padding: 0;
	border: none;
}

#tabBox {
	width: 360px;
	height: auto;
	margin: 10px auto;
	border: 1px solid red;
}

#tabBox button {
	width: 50px;
	height: 24px;
}

#tabBox #tabContent div {
	width: 360px;
	height: 400px;
	display: none;
}

.active {
	color: white;
	font-weight: bold;
	background-color: cornflowerblue;
}
